Read and write work queue significantly degrades performance on
SSD/NVME devices[1].
In Debian 11 crypttab does not support no-read-workqueue and
no-write-workqueue flags, so the persistent flag is workaround: once
opened with perf parameters persists forever.
[1] https://blog.cloudflare.com/speeding-up-linux-disk-encryption/
Signed-off-by: Yauhen Artsiukhou <jsirex@gmail.com>
* Allow to configure PBKDF.
* Also add PBKDF options to key add operation.
* Simplify code.
* Update plugins/modules/luks_device.py
Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
* Fix indent.
* Use more of the options.
* Bump iteration count.
* Increase memory limit.
* Fall back to default PBKDF.
* Apply suggestions from code review
Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
Yauhen
Felix Fontein
Arnoways
Andrew Klychkov
Ansible Core Team